3C8M | pdb_00003c8m

Crystal structure of homoserine dehydrogenase from Thermoplasma volcanium

• PDB DOI: https://doi.org/10.2210/pdb3C8M/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Thermoplasma volcanium GSS1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-02-12 Released: 2008-02-19 
• Deposition Author(s): Osipiuk, J., Hendricks, R., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.177 (Depositor), 0.177 (DCC) 
• R-Value Work: 
  0.156 (Depositor), 0.155 (DCC) 
• R-Value Observed: 
  0.157 (Depositor) 

Literature

X-ray crystal structure of homoserine dehydrogenase from Thermoplasma volcanium.

Osipiuk, J., Hendricks, R., Abdullah, J., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 37.51 kDa 
• Atom Count: 3,074 
• Modeled Residue Count: 324 
• Deposited Residue Count: 331 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Homoserine dehydrogenase	A	331	Thermoplasma volcanium GSS1	Mutation(s): 0  Gene Names: TVG0375766, TV0389 EC: 1.1.1.3
UniProt
Find proteins for Q97BR6 (Thermoplasma volcanium (strain ATCC 51530 / DSM 4299 / JCM 9571 / NBRC 15438 / GSS1)) Explore Q97BR6  Go to UniProtKB:  Q97BR6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A], D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.177 (Depositor), 0.177 (DCC) 
• R-Value Work:  0.156 (Depositor), 0.155 (DCC) 
• R-Value Observed: 0.157 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.404	α = 90
b = 108.404	β = 90
c = 60.458	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-19 
Deposition Author(s): Osipiuk, J., Hendricks, R., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2008-02-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary